Final answer:
Always have a backup system in place on Excel to keep organized and backed up.
Step-by-step explanation:
Always have a backup system in place on excel to keep organized and backed up. This can be done by regularly saving your work to a separate location such as a cloud storage service or an external hard drive. By having a backup, you can prevent loss of data in case of accidental deletions, computer crashes, or other unforeseen circumstances.